<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<style>
  body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1em;
    min-height: 100vh;
    font-size: 2em;
  }

  .toggle-container {
    position: relative;
    border-radius: 3.125em;
    width: 3.25em;
    height: 1.875em;
  }

  .toggle-checkbox {
    -webkit-appearance: none;
    appearance: none;
    position: absolute;
    z-index: 1;
    border-radius: inherit;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
  }

  .toggle-track {
    display: flex;
    align-items: center;
    position: relative;
    border-radius: inherit;
    padding: 0.25em;
    width: 100%;
    height: 100%;
    background-color: #aeaeae;
    box-shadow: inset 0 0.0625em 0.125em rgba(0, 0, 0, 0.2);
    transition: background-color 0.4s linear;
  }

  .toggle-container.green>.toggle-checkbox:checked+.toggle-track {
    background-color: #4ccf59;
  }

  .toggle-container.blue>.toggle-checkbox:checked+.toggle-track {
    background-color: #3384fb;
  }

  .toggle-container.boo>.toggle-checkbox:checked+.toggle-track {
    background-color: #ff3372;
  }

  .toggle-thumb {
    position: relative;
    border-radius: 0.6875em;
    transform-origin: left;
    width: 1.375em;
    height: 1.375em;
    background-color: #fff;
    box-shadow: 0 0.25em 0.25em rgba(0, 0, 0, 0.2), inset 0 -0.125em 0.25em rgba(0, 0, 0, 0.2);
  }

  .toggle-checkbox.toggled-once+.toggle-track>.toggle-thumb {
    animation-name: grow-out, bounce-out;
    animation-duration: 0.2s;
    animation-timing-function: cubic-bezier(0.75, 0, 1, 1), cubic-bezier(0, 0, 0.3, 1.5);
    animation-delay: 0s, 0.2s;
    animation-fill-mode: forwards;
  }

  .toggle-checkbox.toggled-once:checked+.toggle-track>.toggle-thumb {
    animation-name: grow-in, bounce-in;
  }

  .toggle-container.boo .toggle-thumb::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    border-radius: inherit;
    width: 100%;
    height: 100%;
    background-image: url("https://assets.codepen.io/4175254/boo-face.png");
    background-size: 63.6363636364% 54.5454545455%;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: inset 0 -0.125em 0.25em rgba(0, 0, 0, 0.2);
    image-rendering: pixelated;
    opacity: 0;
    transition: opacity 0.2s linear;
  }

  .toggle-container.boo>.toggle-checkbox:checked+.toggle-track>.toggle-thumb::after {
    opacity: 1;
  }

  @media (hover: hover) {
    .toggle-container.boo>.toggle-checkbox:hover+.toggle-track>.toggle-thumb::after {
      opacity: 1;
    }
  }

  @keyframes grow-in {
    0% {
      border-radius: 0.6875em;
      transform: translateX(0) scale(1);
    }

    100% {
      border-radius: 0.4448529412em / 0.9453125em;
      transform: translateX(0.5em) scale(1.5454545455, 0.7272727273);
    }
  }

  @keyframes bounce-in {
    0% {
      border-radius: 0.4448529412em / 0.9453125em;
      transform: translateX(0.5em) scale(1.5454545455, 0.7272727273);
    }

    100% {
      border-radius: 0.6875em;
      transform: translateX(100%) scale(1);
    }
  }

  @keyframes grow-out {
    0% {
      border-radius: 0.6875em;
      transform: translateX(100%) scale(1);
    }

    100% {
      border-radius: 0.4448529412em / 0.9453125em;
      transform: translateX(0.125em) scale(1.5454545455, 0.7272727273);
    }
  }

  @keyframes bounce-out {
    0% {
      border-radius: 0.4448529412em / 0.9453125em;
      transform: translateX(0.125em) scale(1.5454545455, 0.7272727273);
    }

    100% {
      border-radius: 0.6875em;
      transform: translateX(0) scale(1);
    }
  }
</style>

<body>
  <div class="toggle-container green">
    <input class="toggle-checkbox" type="checkbox">
    <div class="toggle-track">
      <div class="toggle-thumb"></div>
    </div>
  </div>

  <div class="toggle-container blue">
    <input class="toggle-checkbox" type="checkbox">
    <div class="toggle-track">
      <div class="toggle-thumb"></div>
    </div>
  </div>

  <div class="toggle-container boo">
    <input class="toggle-checkbox" type="checkbox">
    <div class="toggle-track">
      <div class="toggle-thumb"></div>
    </div>
  </div>
</body>
<script>
  const checkboxes = document.querySelectorAll('input[type="checkbox"]');

  const detectToggleOnce = (e) => {
    e.target.classList.add('toggled-once');
  };

  checkboxes.forEach(checkbox => {
    checkbox.addEventListener('click', detectToggleOnce, {once: true});
  });
</script>

</html>